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1、Mainly Revision,Unit 3,Mainly Revision,Computers,Teaching goals,Knowledge aim : Revise key words and phrases about computers. Ability aim: Learn about the advantages and disadvantages of computers and cellphones. Moral aim: Arouse the interest in Information Technology.,Master the learning strategy(

2、 策略）of MURDER Mood-setting（情緒調(diào)整） and Maintenance(保持） Understanding Recalling（回憶） Details and Digesting（消化） Expanding（拓展） Review（復(fù)習(xí)） by Reading,Weekly Slogan Just as a famous man once said, Anything that has not destroyed me can only make me stronger.,Mood-setting,Maintenance(保持)and Understanding,Wha

3、t words and expressions can computers remind you of? Nouns: hardware web-designer programmer Verbs: search program Adjectives: common private,mouse monitor,software softpower,load,upload,update,updated,out of date,postforward (a message),unload,Recalling,Have a dictation of the key words and phrases

4、. Verbs: Nouns: Adjectives: Adverbs:,Details and Digesting，Expanding,Arise: ; , a probem or difficulty arises from sth. Operate: Apply:,turn up,take place,occur,handle a boat;,run a machinecompany,apply sth to (doing) sth apply oneself to (doing) sth,be buriedabsorbed in doing sth,devote oneself to

5、doing sth get down to doing sth,apply for a job,Expanding：Learn by using,Discuss: How can we use computers wisely? Advantages: Disadvantages: Conclusion:,Lets talk together,Listen to others opinions.,11:59:00 Can you give my students some suggestions on surfing the line? 14:57:48 The best idea is no

6、t to surf the line.For students,websites are not the ways to study，they are only for entertainment，yes or no？If some students sank into playing，my advice is not to say anything，but say in formal situations.,15:09:34 we can use the Internet to search for the information we want 15:09:58 The various i

7、nformation we search for through the Internet can broaden our horizon 15:10:48 It can be used as an efficient tool for our daily communication and working,15:08:02 How can we take advantage of computers?,Email from,Photos of HKU,Computer is a great invention of human. It is widely used nowadays, fro

8、m industrial companies to education of pupils and college students. As a PhD student in the University of Hong Kong, I find computers are extremely useful in every aspect of my academic and daily life. First of all, to know what other researchers have done, we have to check the online database. A se

9、arch engine I frequently refer to is Google Scholar, .Once you know the researchers name, you can find what he has published, the name, publishing date and co-authors of the articles,even the full text! Even if you have no idea about who is important in a particular research area, you can find an im

10、mense amount of information via Google. Secondly, exchanging information and ideas with your supervisor, collaborators and peers is another important usage of computers. QQ is famous in China, which has changed the communication regulations of Chinese. I write email to others often. For the research

11、ers, there are websites that aim to link them together, like , on which you can communicate with other research all over the world.,Then, you have to rely on computers to compute the data of your experiment, so as to examine your hypotheses. There is always tremendous data. You just cannot calculate

12、 by hand. When it comes to the paper writing stage, it is convenient to accomplish and revise your literature using a computer. You can always seek help from the grammar checking function of Microsoft Word and online dictionaries. When you have it published, others can share and learn from your arti

13、cles by searching and downloading them from the internet.,Students of HKU take advantage of computers almost every day. They read, write and communicate via computers. The University prepares a great number of public computers to satisfy the students need. High school students might not be able to u

14、se computers everyday. When you are sitting in front of a computer, I suggest not spend all your time on computer games, but learn something useful for your future, like programming skills.,Review by Task-based Reading.,Read the passage about computers and complete the outline.,1. communicate 2. exc

15、hange 3. e-mail 4. way 5. higher,6. contact 7. common 8. Despite 9. careful 10. private,share,however,Homework,Write a passage about the proper use of computers. Remember advice from the PHD in HKU I also suggest students in middle schools and primary school not spend much time on computers. According to a recent study by my supervisor Prof. Tan LH, the more time a pupil spending in front of a computer, the worse reading ability he might have.,The End,THANKS FOR YOUR ATTENTION,